Предмет: Алгебра, автор: Аноним

упростите выражение (х-2)во второй степени-(х-1)(х+2)

Ответы

Автор ответа: Larisaremizowa

4

(х-2)²-(х-1)(х+2)=х²-4х+4 -х²-2х+х+2=-6х+6=6(1-х)

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